Home / 5,276.86-7,281.96-2,919.04

Finding the Fourth Proportional to 5,276.86, 7,281.96 and 2,919.04

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Solution

The fourth proportional to 5,276.86, 7,281.96 and 2,919.04 is: 4,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.86 : 7,281.96 = 2,919.04 : x
  2. Step 2: Convert to fraction form
    5,276.86/7,281.96 = 2,919.04/x
  3. Step 3: Cross multiply
    5,276.86x = 7,281.96 × 2,919.04
  4. Step 4: Simplify right side
    5,276.86x = 21,256,332.52
  5. Step 5: Solve for x
    x = 21,256,332.52/5,276.86
  6. Step 6: Final answer
    x = 4,028.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.